[llvm-commits] [llvm] r100016 - /llvm/trunk/lib/Target/X86/SSEDomainFix.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Mar 31 12:13:16 2010
New Revision: 100016

URL: http://llvm.org/viewvc/llvm-project?rev=100016&view=rev
Log:
Fix PR6750. Don't try to merge a DomainValue with itself.

Modified:
    llvm/trunk/lib/Target/X86/SSEDomainFix.cpp

Modified: llvm/trunk/lib/Target/X86/SSEDomainFix.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/SSEDomainFix.cpp?rev=100016&r1=100015&r2=100016&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/SSEDomainFix.cpp (original)
+++ llvm/trunk/lib/Target/X86/SSEDomainFix.cpp Wed Mar 31 12:13:16 2010
@@ -261,6 +261,8 @@
 bool SSEDomainFixPass::Merge(DomainValue *A, DomainValue *B) {
   assert(!A->collapsed() && "Cannot merge into collapsed");
   assert(!B->collapsed() && "Cannot merge from collapsed");
+	if (A == B)
+    return true;
   if (!A->compat(B->Mask))
     return false;
   A->Mask &= B->Mask;